fixed issue with jruby in 1.9 mode not handling string encoding from binary properly. Now falling back to using ASCII as source

Author: Zaid Zawaideh

lib/openid/consumer/html_parse.rb

@@ -36,8 +36,12 @@ def OpenID.unescape_hash(h)
   def OpenID.parse_link_attrs(html)
     begin
       stripped = html.gsub(REMOVED_RE,'')
-    rescue ArgumentError, Encoding::UndefinedConversionError
-      stripped = html.encode('UTF-8', 'binary', :invalid => :replace, :undef => :replace, :replace => '').gsub(REMOVED_RE,'')
+    rescue ArgumentError
+      begin
+        stripped = html.encode('UTF-8', 'binary', :invalid => :replace, :undef => :replace, :replace => '').gsub(REMOVED_RE,'')
+      rescue Encoding::UndefinedConversionError #needed for a problem in JRuby where it can't handle the conversion
+        stripped = html.encode('UTF-8', 'ASCII', :invalid => :replace, :undef => :replace, :replace => '').gsub(REMOVED_RE,'')
+      end
     end
     parser = HTMLTokenizer.new(stripped)